| Company name | Reg. code |
|---|---|
| TRIOMASTER OÜ kustutatud | 12693563 |
| TRIMASTAR OÜ | 11511399 |
| ERGOMASTER OÜ | 12667376 |
| STROIMASTER OÜ (former name Avinael OÜ) | 16425196 |
| TREMASTER OÜ | 10407642 |
| PROMASTER OÜ | 14491605 |
| TIRMASTER OÜ | 16418032 |
| ROMASTER OÜ kustutatud | 16472020 |
| PROMASTER-BALTIC OÜ | 12135403 |